Package tech.mgl.core.utils

Class MGL_StreamUtils

java.lang.Object

tech.mgl.core.utils.MGL_StreamUtils

public class MGL_StreamUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_BUFFER_SIZE	默认缓存大小 8192

Constructor Summary

Constructors

Constructor	Description
MGL_StreamUtils()

Method Summary

Modifier and Type	Method	Description
protected int	bufferSize(long count)	缓存大小，取默认缓存和目标长度最小值
static void	close(Closeable closeable)	关闭 关闭失败不会抛出异常
static long	copy(FileInputStream in, FileOutputStream out)	拷贝文件流，使用NIO
static long	copy(InputStream in, OutputStream out)	拷贝流，使用默认Buffer大小，拷贝后不关闭流
static long	copy(InputStream in, OutputStream out, int bufferSize, long count, MGLStreamProgress streamProgress)
static long	copy(FileChannel inChannel, FileChannel outChannel)	拷贝文件Channel，使用NIO，拷贝后不会关闭channel
long	copy(ReadableByteChannel source, WritableByteChannel target, long count)
static FastByteArrayOutputStream	read(InputStream in, boolean isClose)
static byte[]	readBytes(InputStream in, boolean isClose)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_BUFFER_SIZE

public static final int DEFAULT_BUFFER_SIZE

默认缓存大小 8192

See Also:

• Constant Field Values

Constructor Details

MGL_StreamUtils

public MGL_StreamUtils()

Method Details

copy

public static long copy(FileChannel inChannel,
 FileChannel outChannel)
                 throws RuntimeException

拷贝文件Channel，使用NIO，拷贝后不会关闭channel

Parameters:

inChannel - FileChannel

outChannel - FileChannel

Returns:

拷贝的字节数

Throws:

RuntimeException - IO异常

Since:

5.5.3

readBytes

public static byte[] readBytes(InputStream in,
 boolean isClose)
                        throws RuntimeException,
IOException

Throws:

RuntimeException

IOException

copy

public static long copy(InputStream in,
 OutputStream out)
                 throws RuntimeException

拷贝流，使用默认Buffer大小，拷贝后不关闭流

Parameters:

in - 输入流

out - 输出流

Returns:

传输的byte数

Throws:

RuntimeException - IO异常

copy

public static long copy(InputStream in,
 OutputStream out,
 int bufferSize,
 long count,
 MGLStreamProgress streamProgress)
                 throws RuntimeException

Throws:

RuntimeException

read

public static FastByteArrayOutputStream read(InputStream in,
 boolean isClose)
                                      throws IOException

Throws:

IOException

copy

public static long copy(FileInputStream in,
 FileOutputStream out)

拷贝文件流，使用NIO

Parameters:

in - 输入

out - 输出

Returns:

拷贝的字节数

Throws:

RuntimeException - IO异常

close

public static void close(Closeable closeable)

关闭
关闭失败不会抛出异常

Parameters:

closeable - 被关闭的对象

bufferSize

protected int bufferSize(long count)

缓存大小，取默认缓存和目标长度最小值

Parameters:

count - 目标长度

Returns:

缓存大小

copy

public long copy(ReadableByteChannel source,
 WritableByteChannel target,
 long count)